package com.bennu.config;

import com.bennu.common.JacksonObjectMapper;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

@Slf4j
@Configuration
@EnableSwagger2
@EnableKnife4j
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler( "/backend/**" ).addResourceLocations( "classpath:/backend/" );
        registry.addResourceHandler( "/front/**" ).addResourceLocations( "classpath:/front/" );
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
        log.info( "静态资源映射" );
    }
    //宽展mvc消息转换器
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter=new MappingJackson2HttpMessageConverter();
        //设置对象转换器
        messageConverter.setObjectMapper( new JacksonObjectMapper() );
        //将上面的转换器追加到mvc框架集合中
        converters.add( 0,messageConverter );
    }

    @Bean
    public Docket createRestApi() {
        // 文档类型
        return new Docket( DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis( RequestHandlerSelectors.basePackage("com.bennu.controller"))
                .paths( PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .version("1.0")
                .description("瑞吉外卖接口文档")
                .build();
    }
}
